Site

State

PM AQI* (ug/m3)

Mesa 2 /Nipomo

CA

24

Ascarate Park Southeast C37

TX

22

Socorro Hueco C49

TX

20

Laredo C313

TX

20

Isla Blanca C323/C667

TX

19

Mira Loma - Van Buren

CA

19

Otay Mesa - Donovan

CA

18

Hidden Valley

AZ

18

Corpus Christi - National S...

TX

17

Eagle Pass C319

TX

16